Adaptive Immunity

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Across
  1. 5. Programmed cell death of harmful or infected cells
  2. 6. Preparation that builds immunity without causing full infection
  3. 8. Which cytokine activates T helper cells?
  4. 10. Which lymphocyte makes antibodies?
  5. 11. Long lived immune cell formed after an infection
  6. 12. Protein on certain immune cells that displays antigens from outside
  7. 14. Signalling molecule
  8. 15. Which process eliminates lymphocytes that react to the body’s own tissues?
  9. 16. Which T cell type activates B cells and cytotoxic T cells?
  10. 17. Which immune branch involves cytotoxic T cells?
  11. 18. Which immune branch involves B cells and circulating antibodies?
Down
  1. 1. A disease-causing microbe, like a virus or bacterium
  2. 2. Immune reaction that occurs when a new antigen is encountered
  3. 3. Faster stronger reaction upon re-exposure to a known antigen
  4. 4. Foreign molecule that triggers an immune response
  5. 5. Which protein can bind a specific pathogen?
  6. 7. Which T cell kills infected cells directly?
  7. 9. Which cell type develops from activated B cells?
  8. 12. Protein on most cells that displays antigens from inside the cell
  9. 13. Which cytokine from T-helper cells drives B cell activation and growth?